diff --git a/data/behavior_data.c b/data/behavior_data.c
index 9d11492b..79df196a 100644
--- a/data/behavior_data.c
+++ b/data/behavior_data.c
@@ -15,6 +15,7 @@
 
 #include "actors/common0.h"
 #include "actors/common1.h"
+#include "actors/group0.h"
 #include "actors/group1.h"
 #include "actors/group2.h"
 #include "actors/group3.h"